CN209920880U

CN209920880U - Three-dimensional carving machine

Info

Publication number: CN209920880U
Application number: CN201920591170.XU
Authority: CN
Inventors: 吴善旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-10
Anticipated expiration: 2029-04-26

Abstract

The utility model provides a three-dimensional engraver belongs to machining equipment technical field. It has solved the problem that current engraver sculpture precision descends easily after long-time the use. The three-dimensional engraving machine comprises a frame, a cross beam, a cutter frame and a mounting seat, wherein the frame comprises two stand columns, the outer sides of the stand columns in the left and right directions are fixed with slide rails arranged vertically, two ends of the cross beam are respectively provided with an annular sliding sleeve portion, the two sliding sleeve portions are respectively positioned in the extending directions of the two ends of the cross beam and respectively sleeved on the corresponding stand columns, and the inner side of each sliding sleeve portion is respectively fixed with a slide block which is connected with the slide rails in a sliding manner. The vertical slide rail of this engraver arranges in the frame left and right sides, keeps away from the machining area at frame front side mount pad place to can install the dust cover additional, dustproof effectual, can avoid most smear metal to get into vertical slide rail, thereby reduce vertical slide rail and get into the wearing and tearing problem that brings because of the smear metal, thereby make this engraver after long-time, its sculpture precision is difficult to descend.

Description

Three-dimensional carving machine

Technical Field

The utility model belongs to the technical field of machining equipment, a three-dimensional engraver is related to.

Background

The engraving is a drilling and milling combined machining in principle, has wide application range, comprises a woodworking engraving machine, a laser engraving machine, an advertisement engraving machine, a jade engraving machine, a stone engraving machine, a cylindrical engraving machine and the like, has very wide application range, even replaces a manual engraving technology, and lays a foundation for the mass rapid production of products. The engraving machine comprises a vertical engraving machine and a horizontal engraving machine, wherein the vertical engraving machine mainly engraves cylindrical workpieces which are vertically arranged.

As in chinese patent [ application number: 201520260602.0 discloses a large vertical five-axis numerical control engraving device, which comprises a machine body, an engraving knife for engraving, an engraving knife rest for installing the engraving knife, and an up-and-down adjusting device for pushing the engraving knife rest to move up and down. The up-down adjusting device is a fourth sliding rail arranged on the front side of the door-shaped frame, and a cross beam for mounting the engraving tool holder is connected with the fourth sliding rail in a sliding manner; for another example, chinese patent application No. 201620403032.0 discloses a four-axis vertical stone carving machine, which includes a frame, a slide rail vertically arranged is fixed on the front side of the frame, a beam for mounting a saw blade mounting frame is slidably connected with the slide rail; for example, chinese patent [ application No.: 201410077893.X discloses a vertical multi-functional three-dimensional numerical control engraver of large-scale environmental protection, including the longmen frame, the both sides stand inboard of longmen frame all is fixed with the vertical slide rail of X, and sliding connection has the Z along horizontal longitudinal arrangement to the longeron on the vertical slide rail of X, and sliding connection is used for installing the Y crossbeam of cutter on the longeron of Z.

According to the analysis of the prior art, in the existing vertical engraving machine, the slide rails which are vertically arranged are either arranged on the front side of the machine frame or are arranged on the inner side of the machine frame, so that the position relation between the cross beam and the vertical slide rails can be positioned on one side of the front and back directions of the vertical slide rails, and the arrangement mode of the existing vertical slide rails causes that the vertical slide rails are subjected to very large horizontal and longitudinal component force, so that the sliding fit parts of the vertical slide rails are easy to generate stress and lateral deviation, the vertical slide rails are easy to deform, or the lateral deviation abrasion is aggravated, so that the sliding fit precision is reduced, and the engraving precision is reduced; on the other hand, the front side or the inner side of the existing vertical sliding rail is arranged to be closer to a machining area, cutting scraps and dust generated by machining easily enter the space between the sliding block and the vertical sliding rail, the sliding block and the sliding rail are easily abraded after a long time, the vertical sliding precision is reduced, the sliding fit is unstable, and finally the engraving precision is reduced.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a three-dimensional engraver, the utility model provides a engraver uses the technical problem that the back sculpture precision descends easily for a long time.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a three-dimensional engraver, includes the frame, is banding crossbeam, connects the toolframe on the crossbeam and arranges the mount pad in the frame front side, the frame includes two stands, its characterized in that, the stand is fixed with along vertical arrangement's slide rail in the ascending outside of left right direction, the both ends of crossbeam have respectively and are annular sliding sleeve portion, two sliding sleeve portion is located respectively on the extending direction at crossbeam both ends and overlap respectively on the stand that corresponds, and the inboard of every sliding sleeve portion all is fixed with the slider, slider and slide rail sliding connection.

In the prior art, a blow-washing device is generally adopted to blow away chips or reinforce the strength and hardness of the cross beam and the slide rail, so that the slide rail is not easy to deform and wear, and the problems are solved; and the utility model discloses be different from current conventional technical means, the utility model discloses in, the problem that the engraver used the back sculpture precision to descend is overcome through the position of improving vertical slide rail and its and crossbeam sliding fit's relevant structure to the three-dimensional engraver. Specifically, the engraving machine arranges the vertical slide rails on the left side and the right side of the rack, namely the vertical slide rails are arranged on the outer sides of the left and the right directions of the two stand columns, and the two ends of the strip-shaped cross beam are provided with annular sliding sleeve parts which are sleeved on the corresponding stand columns, so that the position of the cross beam is positioned between the two stand columns, and then the sliding blocks corresponding to the slide rails are fixed on the inner sides of the sliding sleeve parts to realize the sliding connection between the cross beam and the stand columns; the structural analysis shows that the vertical slide rail of the engraving machine is far away from a processing area where the mounting seat on the front side of the rack is located, the dustproof effect is good, most of cuttings can be prevented from entering the vertical slide rail, and therefore the abrasion problem of the vertical slide rail due to the entering of the cuttings is reduced, and the engraving precision of the engraving machine is not easy to decline after the engraving machine is used for a long time; meanwhile, the two ends of the cross beam are sleeved on the stand columns through the sliding sleeve parts, and the sliding sleeve parts are designed in the straight extending direction of the strip-shaped cross beam, so that the position relation of the cross beam and the two stand columns cannot be deviated to one side in the front and rear directions, the vertical sliding rail is matched with the outer side of the stand columns, the sliding block is located on the inner side of the sliding sleeve, namely the sliding fit position is adopted, no arbitrary one of the stand columns and the cross beam is deviated from the vertical plane where the three is located to the front and rear sides, the cross beam is not prone to generating horizontal and longitudinal component force to the vertical sliding rail, the vertical sliding rail is not prone to deformation or unilateral abrasion, the engraving precision of the engraving machine is further not prone to decline, and the engraving precision of the engraving machine can be guaranteed to. In addition, the sliding sleeve part and the cross beam can be designed integrally or separately, and the sliding sleeve part is in a ring shape including a square frame-shaped structure, a ring-shaped sleeve structure or other ring-shaped structures which are enclosed into a circle or are provided with partial gaps.

In the three-dimensional engraving machine, each upright post is provided with two slide rails, and the distance from the slide rail close to the front side of the beam is the same as the distance from the slide rail close to the rear side of the beam. Through the design, on one hand, the sliding stability can be ensured by the two vertical sliding rails, and certainly, the wider sliding rail can also be understood as the two sliding rails; on the other hand, the positions of the front side and the rear side of the two vertical sliding rails and the cross beam are arranged, so that the positions of the vertical sliding rails and the cross beam are not biased, the cross beam cannot generate horizontal and longitudinal component force to the vertical sliding rails, the vertical sliding rails are not prone to deformation or unilateral abrasion, and the engraving precision of the engraving machine is not prone to reduction after the engraving machine is used for a long time.

In the three-dimensional carving machine, the cushion block is fixedly connected between the inner side of the sliding sleeve part and the sliding block. Through the extrusion of above design cushion, can avoid producing unreasonable clearance and appearing not hard up between slider and the vertical slide rail for slider and vertical slide rail can closely cooperate, thereby guarantee both gliding stability, and then make this engraver the precision of carving be difficult to descend after long-time the use.

In foretell three-dimensional engraver, sliding sleeve portion includes curb plate and end plate, the curb plate is fixed or integrated into one piece on both sides around the crossbeam, the end plate is fixed on the tip of curb plate, corresponds the stand and is enclosed between two curb plates and end plate, the slider is fixed on the medial surface of end plate. Sliding sleeve portion through above design wholly is the rectangular frame structure, the rectangular frame structure that two curb plates and end plate enclose in crossbeam one end promptly for crossbeam and stand realize sliding connection's junction and possess better structural rigidity, make this department structure be difficult to take place to warp after long-time the use like this, thereby guarantee the vertical gliding stability of crossbeam, and then make the sculpture precision of this engraver after long-time the use be difficult to descend.

In the above three-dimensional engraving machine, the bottom of the two side plates is fixed or integrally formed with a bottom plate connecting the two side plates. Through the design of above bottom plate, further strengthened the rigidity to crossbeam both ends sliding connection department structure to further make this engraver be difficult to descend in the sculpture precision after long-time the use.

In the three-dimensional engraving machine, the upright post outer cover is provided with a dust cover, the front side, the rear side and the outer side of the upright post are all shielded by the dust cover, and the slide rail and the sliding sleeve part are both positioned in the corresponding dust cover. This engraver's vertical slide rail is owing to design in the outside of stand, makes this engraver can further shelter from vertical slide rail at the above-mentioned dust cover of both sides installation of stand like this to better avoiding smear metal or dust to get into the slide rail and cause the slide rail wearing and tearing, makes the crossbeam slide can remain stable for a long time, thereby further makes this engraver be difficult to the decline at the sculpture precision of long-time after using.

In the three-dimensional engraving machine, the sliding sleeve part is driven by the driving device to drive the beam to slide up and down relative to the upright post, and the driving device is a driving cylinder, a hydraulic cylinder or a screw rod motor. The driving cylinder or the driving oil cylinder can fix the piston rod on the sliding sleeve part for driving the sliding sleeve part to slide; the screw rod motor can be matched with the screw rod by fixing the screw nut on the sliding sleeve part, so that the screw rod motor can drive the sliding sleeve part to slide.

In the three-dimensional engraving machine, the upper side surface of the cross beam is connected with a supporting plate capable of sliding along the horizontal transverse direction in a sliding manner, and the tool rest is connected to the supporting plate in a sliding manner and can slide along the horizontal longitudinal direction; the mounting seat is arranged on the front side of the rack in a split manner; or the mounting seat is directly and fixedly connected with the frame; or the mounting seat is fixedly connected with the rack through a connecting piece. Specifically, a transverse guide rail arranged horizontally and transversely is fixed on the upper side surface of the cross beam, and the supporting plate is connected with the transverse guide rail in a sliding manner and driven by a driving piece I; a longitudinal guide rail which is arranged along the horizontal longitudinal direction is fixed on the supporting plate, and the tool rest is connected with the longitudinal guide rail in a sliding manner and driven by a driving piece II; and the front end and the rear end of the tool rest are respectively provided with a saw blade and a drill bit.

As another scheme, in the three-dimensional engraving machine, the engraving machine further comprises a base, the frame is slidably connected to the base and can slide along the horizontal longitudinal direction, the upper side surface of the cross beam is slidably connected with a supporting plate capable of sliding along the horizontal transverse direction, and the tool holder is fixedly connected to the supporting plate; the mounting seat is arranged on the front side of the base in a split manner; or the mounting seat is directly and fixedly connected with the base; or the mounting seat is fixedly connected with the base through a connecting piece. Specifically, a longitudinal guide rail which is horizontally and longitudinally arranged is fixed on the base, and the rack is connected with the longitudinal guide rail in a sliding manner and driven by a driving piece III; a transverse guide rail which is horizontally and transversely arranged is fixed on the upper side surface of the cross beam, and the supporting plate is connected with the transverse guide rail in a sliding manner and driven by a driving part II; and the front end and the rear end of the tool rest are respectively provided with a saw blade and a drill bit. The first, second and third driving parts can adopt driving parts such as air cylinders, oil cylinders, motors and the like.

In the three-dimensional engraving machine, a single-column positioning structure is arranged on one side of the mounting seat and comprises a mounting table, four guide rods which are distributed in a rectangular shape are fixed on the mounting table, lifting blocks are connected onto the guide rods in a sliding mode, horizontal guide rods which are horizontally and transversely arranged are fixed on the lifting blocks, positioning blocks with tops are connected onto the horizontal guide rods in a sliding mode, and the positioning blocks are driven by driving pieces four times. As another scheme, a double-column positioning structure is arranged between the mounting seat and the rack in the three-dimensional engraving machine, the double-column positioning structure comprises mounting columns located on the left and right sides of the mounting seat and positioning frames located above the mounting seat and arranged along the transverse direction, the positioning frames are connected with the mounting columns in a sliding mode and can slide in the vertical direction, and centers are arranged in the middle of the positioning frames. When the workpiece is vertically clamped on the mounting seat, the top part is positioned by the positioning piece in the single-column positioning structure or the double-column positioning structure, so that the clamping positioning precision is improved, and the engraving precision of the engraving machine is ensured.

Compared with the prior art, the three-dimensional engraving machine has the following advantages:

1. the vertical sliding rails of the engraving machine are arranged on the left side and the right side of the frame, are far away from a machining area where the mounting seat on the front side of the frame is located, and can be additionally provided with a dust cover, so that the dust-proof effect is good, most cuttings can be prevented from entering the vertical sliding rails, the abrasion problem of the vertical sliding rails caused by the entering of the cuttings is reduced, and the engraving precision of the engraving machine is not easy to reduce after a long time;

2. the sliding sleeve part structural design of crossbeam both sides and the position design who combines vertical slide rail, crossbeam in this engraver for make the crossbeam itself can not produce horizontal fore-and-aft component to vertical slide rail, thereby make vertical slide rail be difficult to warp or unilateral wearing and tearing after using for a long time, thereby further make the sculpture precision of this engraver be difficult to descend.

Drawings

Fig. 1 is a schematic structural diagram of an engraving machine in the first embodiment.

Fig. 2 is a first structural schematic diagram of the beam portion in fig. 1.

Fig. 3 is a second structural view of the beam portion of fig. 1.

Fig. 4 is a schematic view of a single-column positioning structure in the engraving machine.

Fig. 5 is a schematic structural diagram of the engraving machine in the first embodiment.

Fig. 6 is a schematic structural diagram of the engraving machine in the first embodiment.

Fig. 7 is a schematic structural diagram of the engraving machine in the first embodiment.

Fig. 8 is a schematic structural diagram of the engraving machine in the second embodiment.

Fig. 9 is a second schematic structural view of the engraving machine in the second embodiment.

Fig. 10 is a schematic structural diagram three of the engraving machine in the second embodiment.

In the figure, 1, a frame; 1a, a column; 2. a cross beam; 2a, a sliding sleeve part; 2a1, side panels; 2a2, end plates; 2a3, bottom plate; 3. a tool holder; 31. a saw blade; 32. a drill bit; 4. a mounting seat; 5. a slide rail; 6. a slider; 7. cushion blocks; 8. a dust cover; 9. a drive device; 10. a support plate; 11. a connecting member; 12. a transverse guide rail; 13. a base; 14. a longitudinal guide rail; 15. a first driving part; 16. a driving part II; 17. a driving member III; 18. an installation table; 19. a lifting block; 20. a guide bar; 21. a horizontal guide rod; 22. positioning blocks; 23. driving part IV; 24. mounting a column; 25. a positioning frame; 26. and (4) a tip.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

specifically, as shown in fig. 1, the three-dimensional engraving machine includes a frame 1, a strip-shaped cross beam 2, a tool holder 3 connected to the cross beam 2, and a mounting seat 4 arranged at the front side of the frame 1, where the frame 1 includes two columns 1a, slide rails 5 arranged vertically are fixed at the outer sides of the columns 1a in the left-right direction, and each slide rail 5 on each column 1a has two slide rails, and the distance from the slide rail 5 near the front side of the cross beam 2 to the front side of the cross beam 2 is the same as the distance from the slide rail 5 near the rear side of the cross beam 2 to the rear side of the cross beam 2. The two ends of the beam 2 are respectively provided with a sliding sleeve part 2a, the sliding sleeve parts 2a are rectangular frames, the two sliding sleeve parts 2a are positioned in the length direction of the beam 2 and are respectively sleeved on the corresponding upright posts 1a, and the inner sides of the sliding sleeve parts 2a are fixed with sliding blocks 6 which correspond to the sliding rails 5 in position and are in sliding connection. And a cushion block 7 is fixedly connected between the inner side of the sliding sleeve part 2a and the sliding block 6.

More specifically, as shown in fig. 2 and 3, the sliding sleeve part 2a includes a side plate 2a1 and an end plate 2a2, the side plate 2a1 is fixed or integrally formed on the front and rear sides of the cross beam 2, the end plate 2a2 is fixed on the end of the side plate 2a1, the corresponding upright 1a is enclosed between the two side plates 2a1 and the end plate 2a2, and the slider 6 is fixed on the inner side surface of the end plate 2a 2. The bottom of the two side plates 2a1 is fixed or integrally formed with a bottom plate 2a3 connecting the two side plates 2a 1. The sliding sleeve part 2a drives the cross beam 2 to slide up and down relative to the upright post 1a under the drive of a driving device 9, and the driving device 9 is a driving air cylinder, a hydraulic cylinder or a screw rod motor. In this embodiment, the driving device 9 is preferably a screw motor, and by providing a gear transmission mechanism to cooperate with the screw, the sliding sleeve portions 2a on both sides of the upright post 1a can be moved synchronously by one screw motor. In addition, because the slide rail 5 of this engraver adopts above-mentioned setting, make the stand 1a can cover like this and be equipped with dust cover 8, the front side, rear side and the outside of stand 1a all are sheltered from by dust cover 8, and slide rail 5 and sliding sleeve portion 2a all are located corresponding dust cover 8.

As shown in fig. 1 to 3, the upper side surface of the cross beam 2 is slidably connected with a supporting plate 10 capable of sliding along the horizontal transverse direction, and the tool rack 3 is slidably connected with the supporting plate 10 and capable of sliding along the horizontal longitudinal direction; wherein, a transverse guide rail 12 which is horizontally and transversely arranged is fixed on the upper side surface of the cross beam 2, and the supporting plate 10 is connected with the transverse guide rail 12 in a sliding way and driven by a driving part I15; a longitudinal guide rail 14 which is arranged along the horizontal longitudinal direction is fixed on the supporting plate 10, and the tool rack 3 is connected with the longitudinal guide rail 14 in a sliding manner and driven by a driving piece II 16; the front and rear ends of the tool holder 3 are provided with a saw blade 31 and a drill 32, respectively. As shown in fig. 5, 6 and 7, the mount 4 is arranged in a split manner on the front side of the frame 1; or the mounting seat 4 is directly and fixedly connected with the frame 1; or the mounting seat 4 is fixedly connected with the frame 1 through a connecting piece 11.

In addition, the engraving machine can adopt a single-column positioning structure or a double-column positioning structure. As shown in fig. 1 and 4, a single-column positioning structure is arranged on one side of the mounting base 4, the single-column positioning structure includes a mounting table 18, four guide rods 20 distributed in a rectangular shape are fixed on the mounting table 18, a lifting block 19 is connected on the guide rods 20 in a sliding manner, a horizontal guide rod 21 arranged horizontally and transversely is fixed on the lifting block 19, a positioning block 22 provided with a tip 26 is connected on the horizontal guide rod 21 in a sliding manner, and the positioning block 22 is driven by a driving member four 23. As shown in fig. 6 and 7, a double-column positioning structure is arranged between the mounting seat 4 and the rack 1, the double-column positioning structure includes mounting columns 24 located on the left and right sides of the mounting seat 4 and positioning frames 25 located above the mounting seat 4 and arranged along the transverse direction, the positioning frames 25 are slidably connected with the mounting columns 24 and can slide in the vertical direction, and centers 26 are arranged in the middle of the positioning frames 25.

In this embodiment, the first driving member 15, the second driving member, the third driving member, and the fourth driving member may be driving members such as an air cylinder, an oil cylinder, and a motor.

Example two:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that, as shown in fig. 8, 9, and 10, in this embodiment, the engraving machine further includes a base 13, the frame 1 is slidably connected to the base 13 and can slide along a horizontal longitudinal direction, the upper side of the cross beam 2 is slidably connected to a supporting plate 10 capable of sliding along a horizontal transverse direction, and the tool rest 3 is fixedly connected to the supporting plate 10; the mounting seat 4 is arranged on the front side of the base 13 in a split manner; or the mounting seat 4 is directly and fixedly connected with the base 13; or the mounting seat 4 is fixedly connected with the base 13 through the connecting piece 11. A longitudinal guide rail 14 which is arranged along the horizontal longitudinal direction is fixed on the base 13, and the rack 1 is connected with the longitudinal guide rail 14 in a sliding manner and driven by a driving piece III 17; a transverse guide rail 12 arranged along the horizontal transverse direction is fixed on the upper side face of the cross beam 2, and the supporting plate 10 is connected with the transverse guide rail 12 in a sliding mode and driven through a second driving piece 16.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame 1, the upright 1a, the cross beam 2, the sliding sleeve part 2a, the side plate 2a1, the end plate 2a2, the bottom plate 2a3, the tool rest 3, the saw blade 31, the drill bit 32, the mounting seat 4, the slide rail 5, the slider 6, the spacer 7, the dust cover 8, the driving device 9, the pallet 10, the connecting member 11, the transverse guide rail 12, the base 13, the longitudinal guide rail 14, the first driving member 15, the second driving member 16, the third driving member 17, the mounting table 18, the lifting block 19, the guide rod 20, the horizontal guide rod 21, the positioning block 22, the fourth driving member 23, the mounting column 24, the positioning frame 25, the tip 26, and the like are used more frequently, the possibility of using other terms is. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a three-dimensional engraver, includes frame (1), is banding crossbeam (2), connects cutter frame (3) on crossbeam (2) and arranges mount pad (4) in frame (1) front side, frame (1) includes two stands (1a), its characterized in that, stand (1a) is fixed with along vertical arrangement's slide rail (5) in the ascending outside of left right direction, the both ends of crossbeam (2) have and are annular sliding sleeve portion (2a), two sliding sleeve portion (2a) are located respectively on the extending direction at crossbeam (2) both ends and overlap respectively on corresponding stand (1a), and the inboard of every sliding sleeve portion (2a) all is fixed with slider (6), slider (6) and slide rail (5) sliding connection.

2. The stereoengraving machine according to claim 1, characterized in that there are two sliding rails (5) on each upright (1a), and the distance from the sliding rail (5) near the front side of the cross beam (2) to the front side of the cross beam (2) is the same as the distance from the sliding rail (5) near the rear side of the cross beam (2) to the rear side of the cross beam (2).

3. Stereocarving machine according to claim 1 or 2, characterized in that the sliding sleeve part (2a) comprises side plates (2a1) and end plates (2a2), the side plates (2a1) being fixed or integrated on the cross beam (2) on both the front and rear sides, the end plates (2a2) being fixed on the ends of the side plates (2a1), the corresponding upright (1a) being enclosed between the two side plates (2a1) and the end plate (2a2), the slider (6) being fixed on the inner side of the end plate (2a 2).

4. The stereoengraving machine according to claim 3, characterized in that the bottom of the two side plates (2a1) is fixed or integrated with a bottom plate (2a3) connecting the two side plates (2a 1).

5. The stereoengraving machine according to claim 1 or 2, characterized in that said upright (1a) is covered with a dust cover (8), the front, rear and outer sides of said upright (1a) are covered by said dust cover (8), said sliding track (5) and sliding sleeve (2a) are located in the corresponding dust cover (8).

6. The stereoengraving machine according to claim 1 or 2, characterized in that a cushion block (7) is fixedly connected between the inner side of the sliding sleeve part (2a) and the sliding block (6).

7. The stereoengraving machine according to claim 1 or 2, characterized in that said sliding sleeve portion (2a) carries the beam (2) to slide up and down with respect to the upright (1a) under the drive of a driving device (9), said driving device (9) being a driving cylinder, a hydraulic cylinder or a screw motor.

8. The stereoengraving machine according to claim 1, characterized in that the upper side of said cross beam (2) is slidably connected with a pallet (10) capable of sliding along the horizontal transverse direction, and said tool holder (3) is slidably connected with said pallet (10) and capable of sliding along the horizontal longitudinal direction; the mounting seat (4) is arranged on the front side of the rack (1) in a split manner; or the mounting seat (4) is directly and fixedly connected with the rack (1); or the mounting seat (4) is fixedly connected with the frame (1) through a connecting piece (11).

9. The stereoengraving machine according to claim 8, characterized in that a transverse guide rail (12) arranged along the horizontal transverse direction is fixed on the upper side surface of the cross beam (2), and the supporting plate (10) is connected with the transverse guide rail (12) in a sliding way and driven by a first driving piece (15); a longitudinal guide rail (14) which is arranged along the horizontal longitudinal direction is fixed on the supporting plate (10), and the tool rest (3) is connected with the longitudinal guide rail (14) in a sliding manner and driven by a driving part II (16); the front end and the rear end of the cutter frame (3) are respectively provided with a saw blade (31) and a drill bit (32).

10. The stereoengraving machine according to claim 1, characterized in that said machine further comprises a base (13), said frame (1) is slidably connected to said base (13) and can slide along a horizontal longitudinal direction, said cross beam (2) is slidably connected to a supporting plate (10) capable of sliding along a horizontal transverse direction on an upper side, said tool holder (3) is fixedly connected to said supporting plate (10); the mounting seat (4) is arranged on the front side of the base (13) in a split manner; or the mounting seat (4) is directly and fixedly connected with the base (13); or the mounting seat (4) is fixedly connected with the base (13) through a connecting piece (11).

11. The stereoengraving machine according to claim 10, characterized in that said base (13) is fixed with a longitudinal guide (14) arranged along the horizontal longitudinal direction, said frame (1) is slidably connected with said longitudinal guide (14) and driven by a driving member three (17); a transverse guide rail (12) which is horizontally and transversely arranged is fixed on the upper side surface of the cross beam (2), and the supporting plate (10) is connected with the transverse guide rail (12) in a sliding manner and driven by a driving piece II (16); the front end and the rear end of the cutter frame (3) are respectively provided with a saw blade (31) and a drill bit (32).

12. The stereoengraving machine according to claim 8 or 10, wherein a single-column positioning structure is provided at one side of the mounting base (4), the single-column positioning structure comprises a mounting table (18), four guide rods (20) distributed in a rectangular shape are fixed on the mounting table (18), a lifting block (19) is slidably connected onto the guide rods (20), a horizontal guide rod (21) arranged horizontally and transversely is fixed onto the lifting block (19), a positioning block (22) provided with a tip (26) is slidably connected onto the horizontal guide rod (21), and the positioning block (22) is driven by a driving member four (23).

13. The stereocarving machine according to claim 8 or 10, characterized in that a double-column positioning structure is arranged between the mounting base (4) and the machine frame (1), the double-column positioning structure comprises mounting columns (24) arranged on the left and right sides of the mounting base (4) and a positioning frame (25) arranged above the mounting base (4) along the transverse direction, the positioning frame (25) is connected with the mounting columns (24) in a sliding manner and can slide in the vertical direction, and the middle of the positioning frame (25) is provided with a tip (26).